Alright, let's work through 3086 times 5203 step by step
3086 × 5203 = 5203 × (3086)
+ 5203 × 6 resulting in 31218
+ 5203 × 80 which equals 416240
+ 5203 × 000 that equals 0
+ 5203 × 3000 that is equal 15609000

= 16056458
